of a hidden ref (by default, such a request is rejected).
see also `uploadpack.hiderefs`.
+uploadpack.keepalive::
+ When `upload-pack` has started `pack-objects`, there may be a
+ quiet period while `pack-objects` prepares the pack. Normally
+ it would output progress information, but if `--quiet` was used
+ for the fetch, `pack-objects` will output nothing at all until
+ the pack data begins. Some clients and networks may consider
+ the server to be hung and give up. Setting this option instructs
+ `upload-pack` to send an empty keepalive packet every
+ `uploadpack.keepalive` seconds. Setting this option to 0
+ disables keepalive packets entirely. The default is 5 seconds.
+
url.<base>.insteadOf::
Any URL that starts with this value will be rewritten to
start, instead, with <base>. In cases where some site serves a